Income Taxes (Details) In Millions, unless otherwise specified	3 Months Ended	6 Months Ended
	Jun. 30, 2014 USD ($)	Jun. 30, 2014 USD ($)	Jun. 30, 2014 EUR (€)
Significant Change In Unrecognized Tax Benefits Is Reasonably Possible [Line Items]
Significant Change in Unrecognized Tax Benefits is Reasonably Possible, Estimated Range of Change, Lower Bound	$ 165	$ 165
Significant Change in Unrecognized Tax Benefits is Reasonably Possible, Estimated Range of Change, Upper Bound	335	335
Estimated Tax Settlement Interest Gain (Loss) Noncash, Range, Upper Limit	110
Tax Adjustments, Settlements, and Unusual Provisions	220
Tax Benefits Claimed Related to the French Revenue Authority.		323	237
Tax Settlement Gain (Loss) Noncash	274
Tax Settlement Interest Gain (Loss)	21
Estimated Tax Settlement Gain (Loss) Noncash, Range, Lower Limit	210
Estimated Tax Settlement Gain (Loss) Noncash, Range, Upper Limit	230
Estimated Tax Settlement Interest Gain (Loss) Noncash, Range, Lower Limit	$ 90